/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.facebook.presto.tests.operator.scalar;

import com.facebook.presto.common.type.Type;

public interface TestFunctions
{
    /**
     * Asserts that the projection, representing a SQL expression comprising a scalar function call, returns the
     * expected value of the expected type.
     */
    void assertFunction(String projection, Type expectedType, Object expected);

    /**
     * Asserts that the projection is not supported and that it fails with the expected error message.
     */
    void assertNotSupported(String projection, String message);
}
